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Electric Current and Drift Velocity MCQs for Competitive Exams

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Electric Current and Drift Velocity MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

141 MCQs Page 4

Topic Notes: Electric Current and Drift Velocity

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Electric Current and Drift Velocity MCQs in Physics are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

Attempt the questions page by page, check the correct answers, read the explanations where available, and compare your weak areas with past papers and mock test performance. Consistent MCQ practice improves speed, confidence, and retention for objective exam sections.

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31
Why are metals considered to be excellent conductors of electricity?
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32
Define the relationship between electric current (I), charge (Q), and time (t).
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33
Calculate the total electric charge that passes through a conductor in one hour if a steady current of 1 ampere is maintained.
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34
What common physical property is shared by silver, copper, gold, and aluminium?
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35
What is the term for a closed and continuous path through which an electric current flows?
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36
A current of 0.75 A flows through the filament of a light bulb for 1 minute. What is the total electric charge that passes through the filament?
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37
Which mathematical expression correctly defines electric current?
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38
What phenomenon occurs in metal wires when free electrons move in a specific direction due to an external electric field?
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39
What is the equivalent of 1 Coulomb per second?
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40
What is the standard configuration used for domestic electrical wiring?
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